Home / 165,266,334.33-247,929,763.10-68,169,072.57

Finding the Fourth Proportional to 165,266,334.33, 247,929,763.10 and 68,169,072.57

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Solution

The fourth proportional to 165,266,334.33, 247,929,763.10 and 68,169,072.57 is: 102,266,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,266,334.33 : 247,929,763.10 = 68,169,072.57 : x
  2. Step 2: Convert to fraction form
    165,266,334.33/247,929,763.10 = 68,169,072.57/x
  3. Step 3: Cross multiply
    165,266,334.33x = 247,929,763.10 × 68,169,072.57
  4. Step 4: Simplify right side
    165,266,334.33x = 16,901,142,012,685,960
  5. Step 5: Solve for x
    x = 16,901,142,012,685,960/165,266,334.33
  6. Step 6: Final answer
    x = 102,266,091.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.